1142896 has 20 divisors (see below), whose sum is σ = 2252584. Its totient is φ = 561600.

The previous prime is 1142891. The next prime is 1142909. The reversal of 1142896 is 6982411.

It is a happy number.

It is a super-2 number, since 2×1142896² = 2612422533632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391 + ... + 1561.

2^1142896 is an apocalyptic number.

1142896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1142896 is a deficient number, since it is larger than the sum of its proper divisors (1109688).

1142896 is a wasteful number, since it uses less digits than its factorization.

1142896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 1234 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 1142896 is about 1069.0631412597. The cubic root of 1142896 is about 104.5527766196.

The spelling of 1142896 in words is "one million, one hundred forty-two thousand, eight hundred ninety-six".